Anna was enumerated with her parents in every census year until her death.  And in every census from 1850 forward, Anna's surname was shown as Callahan.  See the notes for Charles Callahan/Callihan, Anna's father, for more details on this family's surname.

Her son was :

i.	William J. Kleckner, born about 1859 in Union County, Pennsylvania.  He died October 31, 1937, in Hancock County, Illinois, burial at Moss Ridge Cemetery, Carthage.

Charles Callahan, 32, male, blacksmith, value of real estate 50, born PA
Susannah, 36, female, born PA
Ann, 14, female, born PA, attended school within the year
Elizabeth, 10, female, born PA, attended school within the year
Phiana, 8, female, born PA, attended school within the year
Jacob, 6, male, born PA, attended school within the year

C Callahan, 42, male, blacksmith, value of real estate 1000, value of personal estate 100, born PA
S Callahan, 45, female, born PA
A Callahan, 23, female, born PA
S A Callahan, 21, female, born PA
Fianna Callahan, 19, female, born PA
Jacob Callahan, 14, male, laborer, born PA, attended school within the year
David Callahan, 7, male, born PA
Susan Callahan, 4, female, born PA
Wm T Kleckner, 2, male, born PA  [Anna's son]

Callahan, Charles, 52, male, white, farmer, value of real estate 42?? [illegible], born PA, male citizen of the U.S. aged 21 or more
Susannah, 55, female, white, "kaping" house, born PA
Annie, 35, female, white, at home, born PA
Phiana, 26, female, white, at home, born PA
David, 16, white, male, farm laborer, born PA, attended school within the year
Susanah, 12, female, white, at home, born PA, attended school within the year
Mary, 10, female, white, at home born PA, attended school within the year
Heckner, William, 10, male, white, at home, born PA, attended school within the year
[Anna's son]
Morgan, Charles, 1, male, white, at home born PA

Callahan, Charles, white, male, 62, married, farmer, born PA, both parents born PA
Susan, white, female, 65, wife, married, keeping house, born PA, both parents born PA
Anna, white, female, 39, daughter, single, at home, born PA, both parents born PA
Fiana, white, female, 34, daughter, single, at home, born PA, both parents born PA
Sue, white, female, 23, daughter, single, at home, born PA, both parents born PA
Mary M, white, female, 21, daughter, single, at home, born PA, both parents born PA
William J, white, male, 20, gd son, single, works on farm, born PA, both parents born PA   [Anna's son]
Chas H, white, male, 11, gd son, single, at school, attended school within the year, born PA, both parents born PA
Thos F, white, male, 5, gd son, single, born IL, father born IL, mother born PA
Monroe, white, male, 2, gd son, single, born IL, father born IL, mother born PA

Callahan, Charles, head white, male, July 1818, 81, widower, born PA, father born "Scoltand", mother born PA, retired farmer, months not employed - 12, could read, write and speak English, owned his home free of mortgage

Anna, daughter, white, female, Feb 1837, 63, single, born PA, both parents born PA, could read, write and speak English